Решите уравнение 0,4(y-5)=0,3(y+1)+1,2
0.4 * (y - 5) = 0.3 (y + 1) + 1.2 0.4y - 2 = 0.3y + 0.3 + 1.2 0.4y - 0.3y = 0.3 + 1.2 + 2 0.1y = 3.5 y = 3.5 / 0.1 y = 35